fragilis

Yes but, having B fragilis doesn't mean you'll get cancer.

Moreover, plant-based proteins like pea proteins have been shown to increase gut-commensal Bifidobacterium and Lactobacillus while decreasing pathogenic Bacteroides fragilis.

The wikipedia page of bacteriodes fragilis says that it's an obligate anaerobe[1].

Two types of bacteria, Bacteroides fragilis and a strain of E.

Newly discovered, unnamed bacteriophage viruses that infect Bacteroides fragilis.

Bacteroides fragilis is part of normal gut flora[1].

I read about the NSA (I believe, or another TLA) having identified some weaknesses in encryption algorithms (RSA I think, though again, memoria fragilis est), that means they could just about break some cyphertexts.

Bacteroides fragilis, Bacteroides melaninogenicus, Bacteroides oralis, Enterococcus faecalis, and Escherichia coli are found in basically every person's gut, so there's definitely way more of each of those species than humans.

It's scary that Bacteroides fragilis is being seen as some kind of "autism cure" [1], and some people actively seek out probiotics with it.